Home / 1,102,217.77-1,520,955.54-618,672.07

Finding the Fourth Proportional to 1,102,217.77, 1,520,955.54 and 618,672.07

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Solution

The fourth proportional to 1,102,217.77, 1,520,955.54 and 618,672.07 is: 853,708.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,217.77 : 1,520,955.54 = 618,672.07 : x
  2. Step 2: Convert to fraction form
    1,102,217.77/1,520,955.54 = 618,672.07/x
  3. Step 3: Cross multiply
    1,102,217.77x = 1,520,955.54 × 618,672.07
  4. Step 4: Simplify right side
    1,102,217.77x = 940,972,712,309.77
  5. Step 5: Solve for x
    x = 940,972,712,309.77/1,102,217.77
  6. Step 6: Final answer
    x = 853,708.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.